DUOLINGO INC

Ticker: DUOL CUSIP: 26603R106 Class: EQTY

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

Note: Option positions (PUT/CALL) are excluded.

Q1 2024

Shares 630 Value ($000) $0 Avg Close $203.74 Range $171.64 - $245.59

Q1 2023

Shares 19,618 Value ($000) $3 Avg Close $102.70 Range $68.93 - $146.40

Q4 2022

Shares 855 Value ($000) $0 Avg Close $78.08 Range $64.73 - $105.73

Q2 2022

Shares 216 Value ($000) $18 Avg Close $88.33 Range $60.50 - $106.43

Q1 2022

Shares 2,262 Value ($000) $215 Avg Close $90.31 Range $64.81 - $108.92

Q4 2021

Shares 467 Value ($000) $49 Avg Close $137.73 Range $94.50 - $191.82

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2024	630	$0	$203.74	$171.64 - $245.59
Q1 2023	19,618	$3	$102.70	$68.93 - $146.40
Q4 2022	855	$0	$78.08	$64.73 - $105.73
Q2 2022	216	$18	$88.33	$60.50 - $106.43
Q1 2022	2,262	$215	$90.31	$64.81 - $108.92
Q4 2021	467	$49	$137.73	$94.50 - $191.82